Hisense AMS-09UR4SNZA2 Manuale utente

MULTI-SPLIT TYPE AIR CONDITONER

SERVICE MANUAL

V: 2.0

●INDOOR UNIT:

AMS-09UR4SNZA2

AMS-12UR4SNZA2

●INDOOR UNIT:

AMW2-20U4SKB

AMW3-24U4SKB

AMW4-28U4SKB

HisenseCorporation

Table of contents

Page

1．OPERATING RANGE 1

2．SPECIFICATION 2

2-1 Unit specifications 2

2-2 Major component specifications 4

2-3 Other component specifications 5

3．OUTLINES AND DIMENSIONS 6

3-1 INDOOR 6

3-2 OUTDOOR 7

4．REFRIGERANT FLOW DIAGRAM 9

4-1 Refrigerant flow diagram 9

4-2 Evacuation procedures 11

4-3 Evacuation direction 12

5．ELECTRICAL DATA 13

5-1 Electric wiring diagrams 13

5-2 Electric control 15

5-3 Sensor parameter 18

6．CONTROL MODE 20

6-1 Indoor control mode 16

6-2 Outdoor control mode 25

7．TROUBLESHOOTING 31

7-1 Error codes 31

8．CHECKING COMPONENTS 33

8-1 Check refrigerant system 33

8-2 Check parts unit 35

9．PARTS LIST 39

9-1 Indoor 39

9-2 Outdoor 44

Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp

Maximum 32℃D.B./23℃W.B. 43 ℃D.B./26℃W.B.

COOLING Minimum 21℃D.B./15℃W.B. 21 ℃D.B./15℃W.B.

Maximum 27℃D.B./18℃W.B. 24℃D.B./18℃W.B.

HEATING Minimum 20℃D.B/≤15℃W.B -7℃D.B./-8℃W.B.

2-1. Unit specifications

2-1-1.OUTDOOR UNIT

NOTE :Test conditions：

Cooling : Indoor: DB27℃/ WB19℃Outdoor: DB35℃/ WB24℃

Heating: Indoor: DB20℃/ WB15℃Outdoor: DB7℃/ WB 6℃

Model AMW3-24U4SKB AMW4-28U4SKB AMW2-20U4SNB

Function Cooling Heating Cooling Heating Cooling Heating

Power supply a.c 220V~230V/50Hz

Capacity kW 7.0 8.0 8.2 9.0 5.8 6.4

Dehumidification l /h ---- ---- ---- ---- ---- ----

Capacity Air flow m3/h ---- ---- ---- ---- ---- ----

Rated current A 9.7 10.7 10.7 11.1 7.73 8.0

Rated input kW 2.18 2.22 2.4 2.5 1.7 1.75

Auxiliary heater A ------

Power factor % 99.9％99.9％99.9％

Electrical

data

Max. current A 15.0 15.0 14.5

SEER/HSPF ----

Model JU1015D5 JU1015D5 SNB130FGYM

Compressor

Winding resistance (at25

℃)

Ω0.661/0.650/0.639 0.661/0.650/0.639 0.58（20

℃

）

Model YDK70-6H-3 YDK70-6H-3 YDK55-6I-8Outdoor

fan motor

Winding resistance (at20

℃

)

Ω M:78;A:80 M:78;A:80 M:185;A:200

Net size L×W×H cm 75×19×25 103×34×84 98×35×64

Package

size L×W×H cm 84×27×31 112×46×98 108×42×72

Net weight kg 8.0 67 45

Gross weigh

kg 9.5 72 51

Liquid pipe mm 6.35 6.35

Gas pipe mm 9.52 9.52

Refrigerant

piping Connection method Flare Flare

Air direction ---- ---- ----

Sound level (Hi) dB 57 57 57

Fan speed (Hi) rpm 830 830 840

Fan speed regulator 3 3 3

Refrigerant filling

capacity(R410a) kg 2.2 2.5 1.4

Special

remarks

Throttle mode EEV EEV EEV

2-1-2.INDOOR UNIT

NOTE :Test conditions：

Cooling : Indoor: DB27℃/ WB19℃Outdoor: DB35℃/ WB24℃

Heating: Indoor: DB20℃/ WB15℃Outdoor: DB7℃/ WB 6℃

Model AMS-09UR4SNZA2 AMS-12UR4SNZA2

Function Cooling Heating Cooling Heating

Power supply a.c 220V~230V/50Hz

Capacity kW 2.6 3.0 3.2 3.8

Dehumidification l /h 1.1 1.1 1.4 ----

Capacity Air flow m3/h 420 520 450 560

Running current A 0.18 0.18 0.18 0.18

Rated input kW 40 40 40 40

Auxiliary heater A ----

Power factor % ----

Electrical data

Starting current A ----

SEER/HSPF ----

Model ----

Compressor Winding resistance (at25℃) Ω----

Model YYW16-4-532 YYW16-4-532Indoor

fan motor Winding resistance (at20℃) ΩM:364;A:400.5; M:364;A:400.5;

Model ----Outdoor

fan motor Winding resistance (at20℃) Ω----

Net size L×W×H cm 75×25×19 75×25×19

Package size L×W×H cm 84×31×27 84×31×27

Net weight kg 8.0 8.0

Gross weight kg 9.5 9.5

Liquid pipe mm 6.35

Gas pipe mm 9.52

Refrigerant

piping Connection method ----

Air direction 6 6

Sound level (Hi) dB 37 37

Fan speed (Hi) rpm 1200 1300

Fan speed regulator

Refrigerant filling

capacity(R410a) kg ----

Special

remarks

Throttle mode ----

2-2. Major component specifications

2-2-1.INDOOR FAN MOTOR

PARAMETER

ELECTRIC

PERFORMANCE AMS-09UR4SNZA2 AMS-12UR4SNZA2

Motor model YYW16-4-532 YYW16-4-532

Rated power source 220V 50Hz 220V 50Hz

Phases/Poles 1/4 1/4

Rated load output(W) 16 16

Rated speed(r/min) -- --

Ambient

temperature(℃)

-5℃～+43℃. -5℃～+43℃.

2-2-2 OUTDOOR FAN MOTOR

PARAMETERELECTRIC

PERFORMANCE AMW3-24U4SKB

AMW4-28U4SKB AMW2-20U4SNB

Motor model YDK70-6H-3 YDK55-6I-8

Rated power source 220V 50Hz 220V 50Hz

Phases /Poles 1/6 1/6

Rated load output(W) 65 47

Ambient temperature(℃) -5℃～+43℃. -5℃～+43℃.

2-2-3. COMPRESSOR

PARAMETERELECTRIC

PERFORMANCE AMW3-24U4SKB

AMW4-28U4SKB AMW2-20U4SNB

Compressor model JU1015D5 SNB130FGYM

Compressor type Rotary Rotary

Rated power 1585W 1190W

Current (A) 8.8 8.1

Motor type DC brushless motor DC brushless motor

Starting type DC Inverter DC Inverter

Motor

Winding resistance

0.661/0.650/0.639

(at 25

℃

)

U-V/V-W/W-U

0.58/0.58/0.58

(at 20

℃

)

U-V/V-W/W-U

Number of cylinder 2 2

Oil type HAF68D1 or HAF68D1U

or α8HES-H

FV50S

Oil charge (cc) 840 350

Ambient temperature(℃) -5℃～+43℃. 5℃～+43℃

2-3. Other component specifications

2-3-1. INDUCTANCE

PARAMETER

ELECTRIC

PERFORMANCE AMW3-24U4SKB

AMW4-28U4SKB

AMW2-20U4SNB

Inductance model RC800HS-3 R2050HSB

Rated power source 220V 50Hz 220V 50Hz

Rated current(A) 20 20

Rated inductance 800(μH)±20% 5.2（mH）±10%

Ambient

temperature(℃)

-30℃～+155℃. -30℃～+220℃.

2-3-2. FILTER

PARAMETERELECTRIC

PERFORMANCE AMW3-24U4SKB

AMW4-28U4SKB

AMW2-20U4SNB

Filter model RTNF250-25T068X-03LF RTNF250-25T068X-03LF

Rated current(A) 20 20

Rated power source AC 220V—50Hz AC 220V—50Hz

Filter frequency

range

150K—30MHHz 150K—30MHHz

Temperature

range(℃)

-25℃～+85℃. -25℃～+85℃.

2-3-4. STEPPER MOTOR

PARAMETERELECTRIC

PERFORMANCE AMS-09UR4SNZA2 AMS-12UR4SNZA2

Stepper Motor model 24BYJ48-CP 24BYJ48-CP

Voltage(DC) 12V 12V

Number of phase 4 4

Drive mode 1-2phase excitation

unipolar drive

1-2phase excitation

unipolar drive

Resistance per phase 300Ω±7% 300Ω±7%

Temperature

range(℃)

-10℃～+40℃. -10℃～+40℃.

2-3-5. OVERLOAD PROTECTION

NONE.

3-1. INDOOR（MODEL: AMS-09UR4SNZA2、AMS-12UR4SNZA2）

23mm631mm

94mm

190mm

250mm

750mm

50mm

50mm 50mm

65mm

3-2.OUTDOOR（MODEL: AMW2-20U4SNB）

3-3.OUTDOOR（MODEL: AMW3-24U4SKB、AMW4-28U4SKB）

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